blob: a78644bea7f9d2904a6222bc53c7e3530e6c2227 [file] [log] [blame]
#ifndef __DRM_RANDOM_H__
#define __DRM_RANDOM_H__
/* This is a temporary home for a couple of utility functions that should
* be transposed to lib/ at the earliest convenience.
*/
#include <linux/random.h>
#define DRM_RND_STATE_INITIALIZER(seed__) ({ \
struct rnd_state state__; \
prandom_seed_state(&state__, (seed__)); \
state__; \
})
#define DRM_RND_STATE(name__, seed__) \
struct rnd_state name__ = DRM_RND_STATE_INITIALIZER(seed__)
unsigned int *drm_random_order(unsigned int count,
struct rnd_state *state);
void drm_random_reorder(unsigned int *order,
unsigned int count,
struct rnd_state *state);
#endif /* !__DRM_RANDOM_H__ */